A post-operative ward in a hospital is held to ransom by a newly-released convict who plans to make a fortune, setting up his own foxhole at the top of a nearby building. CI5 hatch a plot to bring him down before he takes a fatal shot at the hospital.

An organisation which hires killers to assassinate virtual nobodies on sight is infiltrated by Bodie and Doyle, who must find out who the perpetrators are and why, by going undercover and posing as potential hitmen themselves.

A young woman contacts the police, saying she is being stalked and is in fear for her life, but they think she is making the whole story up.

A department in a British Government appears to be attempting to kill a bunch of drug-dealing students...but why?

A former colleague of Cowley's who is now a patient in a mental hospital reappears in London, going on the run when he believes that the KGB have drugged him.

A young woman from a rich and successful family turns terrorist, shunning her wealthy background and the British Justice system which she now views as being corrupt. Important legal establishments located around London are targeted by the terrorist groups, who are planting several bombs at key points around the city.

Whilst investigating a bombing plot Doyle is shot and left for dead in his flat, and as the hospital fights to save his life, he seems unable to decide whether he wants to live or die...meanwhile, Bodie goes on a chase to find Doyle's assailant.

Lieutenant Colonel Peter Lawson has gone missing without trace...and is armed with vital military secrets from NATO. Can CI5 seek him out before he tells all?

A sacked former African Head attempts to get reinstated in office using the help of the British Government, but the plan is sidetracked by one particular civil servant who now wants him dead.

Bodie is offered the opportunity to clear up all his gambling debts by a foreign diplomat - who in exchange wants to have some vital secrets from CI5.

A leader of a criminal gang offers to surrender himself if in exchange he is guaranteed protection for his family.